Watson described the purpose of psychology as: âTo predict, given the stimulus, what reaction will take place; or, given the reaction, state what the situation or stimulus is that has caused the reactionâ (1930, p. 11). * All behavior is learnt from the environment.
Additional tests including penetration,solubility, and ductility are made on the residue. Cutback asphalt grades and tests There are several grades for each of the three types ofcutbacks â rapid curing (RC), medium curing (MC), andslow curing, (SC). The grades include 70, 250, 800, and3000.
GUIDELINE FOR ASPHALT MIX SELECTION âLocal Agencyâ Page 2 B. Recycled Asphalt Pavement (RAP) Recycled asphalt pavement (RAP) is allowed in accordance to CDOT standards for quality control, sampling and testing, and stockpile management. 25% RAP is allowed in lower lifts and 20% RAP in the top mat of paving.